System Guide & FAQ
No, it will not. Our canvas rendering engine explicitly strips away the background color, exporting your drawn strokes as a pristine PNG file with a 100% transparent alpha channel. It seamlessly overlays onto any digital document.
Absolutely secure. TandaCeria is architected upon a strict Zero-Server methodology. Every ink stroke you make is calculated locally within your web browser's memory. Once you refresh or exit the page, the data is permanently erased.
We deploy an advanced Quadratic Curve mathematical algorithm paired with intelligent Retina-Ready pixel scaling. This dual-processing eliminates rigid, pixelated lines, simulating the natural friction and fluidity of a real pen on paper.
Yes, you can. The application is embedded with Progressive Web App (PWA) capabilities. By tapping "Add to Home Screen" on your mobile device, the core engine installs locally, allowing you to sign documents without any internet connection.
To achieve the most accurate anatomical representation of your signature, we highly recommend rotating your smartphone into a horizontal (landscape) orientation, or utilizing a digital stylus pen for maximum control.
Yes. The generated PNG image is universally compatible. You can effortlessly import it into Microsoft Word, Google Docs, or leading PDF annotators like Adobe Acrobat as a floating transparent image watermark.